The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Scientists warn that the Alaska volcano Mount Spurr is likely to erupt soon, showering ash on Anchorage and potentially ...

We all depend on oxygen to survive, but about 3 billion years ago, there was barely any oxygen at all. When was the last time ...

She's a living force on this landscape. - Kīlauea is one of the most active volcanoes on Earth. - It's a puzzling, complicated system that only makes itself more complicated by how active it is.

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...

Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

It is widely believed that Earth’s atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...